Which is the largest oil producing country in the OPEC?

The largest oil producing country is arabia.all the south west countries are famous for this purpose.But the Iran,Iraq,Oman are also very famous.the most largest one is soud-i-arabia.here about 250 meter well of oil is present.from this well the pipe line system has made between the amrica and other europien countries.

THIS PARAGRAPH HAS GIVEN BY FARIDA REHNAN.